Lithium molybdate

Lithium molybdate (Li2MoO4) is a chemical compound. It is mainly used as an inhibitor in some types of industrial air conditioning.

Lithium molybdate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.601
Properties
Li2MoO4
Molar mass 173.82 g/mol
Appearance white odorless powder
hygroscopic or transparent crystal
Density 3.07 g/cm3 (pure crystal), 2.66 g/cm3 (hydrated crystal)
Melting point 705 °C (1,301 °F; 978 K)
very soluble
Hazards
not listed
NFPA 704 (fire diamond)
Flammability code 0: Will not burn. E.g. waterHealth code 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasReactivity code 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
0
3
1
Related compounds
Other cations
 sodium molybdate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Uses

Lithium molybdate is used as corrosion inhibitor in LiBr (Lithium bromide) absorption chiller for industrial central air conditioning. It is manufactured and shipped as either a colorless, transparent fluid or a white crystal powder. In either state it not classified as a hazardous material.

Li2MoO4 crystals have been found applicable for cryogenic phonon-scintillation detectors, which are used to investigate some rare nuclear processes.[1] The use of Li2MoO4 ceramics for antennas has been studied due to their low loss dielectric properties and the possibility to fabricate them by a room-temperature densification method instead of conventional sintering.[2]

References
  1. Barinova, O. P.; Danevich, F. A.; Degoda, V. Ya.; Kirsanova, S. V.; Kudovbenko, V. M.; Pirro, S.; Tretyak, V. I. (2010-01-21). "First test of Li2MoO4 crystal as a cryogenic scintillating bolometer". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 613 (1): 54–57. doi:10.1016/j.nima.2009.11.059.
  2. Kähäri, Hanna; Ramachandran, Prasadh; Juuti, Jari; Jantunen, Heli (2017). "Room-Temperature Densified Li2MoO4 Ceramic Patch Antenna and the Effect of Humidity". International Journal of Applied Ceramic Technology. 14: 50–55. doi:10.1111/ijac.12615. ISSN 1744-7402.
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